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DE3068075D1 - Surface acoustic wave transducer - Google Patents

Surface acoustic wave transducer

Info

Publication number
DE3068075D1
DE3068075D1 DE8080304491T DE3068075T DE3068075D1 DE 3068075 D1 DE3068075 D1 DE 3068075D1 DE 8080304491 T DE8080304491 T DE 8080304491T DE 3068075 T DE3068075 T DE 3068075T DE 3068075 D1 DE3068075 D1 DE 3068075D1
Authority
DE
Germany
Prior art keywords
acoustic wave
surface acoustic
wave transducer
transducer
wave
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8080304491T
Other languages
German (de)
Inventor
Osamu Yamazaki
Junichi Inohara
Kazuo Tazuke
Kiyotaka Wasa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE3068075D1 publication Critical patent/DE3068075D1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/36—Devices for manipulating acoustic surface waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE8080304491T 1979-12-13 1980-12-12 Surface acoustic wave transducer Expired DE3068075D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16245479A JPS5685923A (en) 1979-12-13 1979-12-13 Elastic surface wave transducer

Publications (1)

Publication Number Publication Date
DE3068075D1 true DE3068075D1 (en) 1984-07-05

Family

ID=15754914

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080304491T Expired DE3068075D1 (en) 1979-12-13 1980-12-12 Surface acoustic wave transducer

Country Status (4)

Country Link
US (1) US4363990A (en)
EP (1) EP0030854B1 (en)
JP (1) JPS5685923A (en)
DE (1) DE3068075D1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS598417A (en) * 1982-07-06 1984-01-17 Clarion Co Ltd Surface acoustic wave device
US7393339B2 (en) 2003-02-21 2008-07-01 C. R. Bard, Inc. Multi-lumen catheter with separate distal tips
US20040243095A1 (en) 2003-05-27 2004-12-02 Shekhar Nimkar Methods and apparatus for inserting multi-lumen spit-tip catheters into a blood vessel
US8992454B2 (en) 2004-06-09 2015-03-31 Bard Access Systems, Inc. Splitable tip catheter with bioresorbable adhesive
WO2009051967A1 (en) 2007-10-17 2009-04-23 Spire Corporation Manufacture of split tip catheters
US8066660B2 (en) 2007-10-26 2011-11-29 C. R. Bard, Inc. Split-tip catheter including lateral distal openings
US8292841B2 (en) 2007-10-26 2012-10-23 C. R. Bard, Inc. Solid-body catheter including lateral distal openings
US9579485B2 (en) 2007-11-01 2017-02-28 C. R. Bard, Inc. Catheter assembly including a multi-lumen configuration
CN103170050B (en) 2007-11-01 2015-04-29 C·R·巴德股份有限公司 Catheter assembly including triple lumen tip
USD748252S1 (en) 2013-02-08 2016-01-26 C. R. Bard, Inc. Multi-lumen catheter tip
US10258768B2 (en) 2014-07-14 2019-04-16 C. R. Bard, Inc. Apparatuses, systems, and methods for inserting catheters having enhanced stiffening and guiding features

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3676721A (en) * 1970-08-28 1972-07-11 Iit Res Inst Composite surface-wave transducer
US3760204A (en) * 1972-03-01 1973-09-18 Motorola Inc Acoustic surface wave resonator
US3878477A (en) * 1974-01-08 1975-04-15 Hewlett Packard Co Acoustic surface wave oscillator force-sensing devices
FR2261654B1 (en) * 1974-02-15 1978-01-06 Thomson Csf
GB1565756A (en) * 1976-09-30 1980-04-23 Toko Inc Surface elastic wave devices
JPS5412542A (en) * 1977-06-29 1979-01-30 Hitachi Ltd Elastic surface wave unit
JPS5549016A (en) * 1978-10-04 1980-04-08 Hitachi Ltd Elastic surface-wave propagation element

Also Published As

Publication number Publication date
EP0030854A3 (en) 1981-07-01
US4363990A (en) 1982-12-14
JPS5685923A (en) 1981-07-13
JPS624010B2 (en) 1987-01-28
EP0030854B1 (en) 1984-05-30
EP0030854A2 (en) 1981-06-24

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee